baenhart



(No Model.) 2,Sheets$heet 1.

C. BARNHART.

TURBINE WATER WHEEL.

-N0. 279,519. Patented June 19,1883.

Aflprmgy (N0 Model.) 2 Sheets-Sheet 2.

G. BARNHART.

TURBINE WATER WHEEL.

No. 279,519. Patented June 19,1883.

A florney N, PEYER5. Phaio-Lillwgrnpher. Wn-hlniim. DC.

UNITED STATES PATENT OFFI E.

OQRNELIUS BARNHART, OF WALKER VALLEY, NEW' YORK.

TURBINE WATER-WH EEL.

SPECIFICATION forming part of Letters Patent No. 279,519, dated June 19,1883. Application filed November 21, i882. (No model.)

To all whom it may concern Be it known that I, CORNELIUS BARNHART, ofWalker Valley, in the county of Ulster and State of New York, haveinvented certain new and useful Improvements in Turbine WVater- WVheels;and I do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it pertains to make and use the same.

My invention relates to an improvementin water-wheels, the objectof thesame being to provide a wheel closely fitting within a case, and adaptedby its peculiar construction to utilize the entireforce of the head ofwater applied to it by impact and reaction combined.

In the accompanying drawings, Figure 1 is a plan view of my improvementwith aportion of the casing broken away. Fig. 2 is a bottom plan view.Fig. 3 is a sectional view through the casing and wheel, and Fig. 4 is aperspective view of the wheel with the band removed.

' A represents the casing, of any desired size and shape, provided witha cover, B, adapted to rest immediately over the wheel, and pre- F,thereon, which latter meshes with a rackbar secured to or formedintegral with the gate. By turning the shaftE in the proper directionthe gate D is moved so as to cover partly or wholly the small end orends of the chute or chutes, thereby shutting off the supply of water,and consequently stopping or slowing the revolution of the wheel. Thegate D is prevented from engaging with the wheel G by the metallic plateH, which latter is also curved to conform to the contour of the wheel,and is secured to the casin g in any desired manner. Th e wheel G fitsclosely within the casing, and is mounted 011 a vertical shaft, I, whichlatter is supported in the usual manner. This wheel is provided with aseries of vertical buckets, a, radiating from the large hub .T, and aseries of inclined' blades, I), connected to the said bucket s.

Any suitable number of blades and buckets can be employed, and Ipreferto cast them integral with the hub; but the number employed 011 a wheelis largely dependent upon the size of the wheel. These buckets radiatefrom the hub' of the wheel, can be plane, concave, or'convex, asdesiredfand are adapted to receive the full impact of thehead of water.By means of this construction and the construction of the easin g thewater is admitted through a small opening and fills but one bucket at atime, and

is carried around therein until it has made'at least one revolutionbefore it is finally discharged through the bottom of the wheel, therebyusing a small quantity of water, utilizing it a long tim e, and finallydischarging it in a manner to be described. The wheelG is also providedwith a crown-plate, a, secured thereto for the purpose of preventingwater from passing from one bucket into another. After the force of thewater is spent against the buckets it falls by gravity onto the inclinedblades 1;, and from .thence through the bottom of the wheel, and

A great objection to the use of the majority of wheels as nowconstructed is that the scroll or case is made much larger than thewheel, and the water is enabled to pass through from one bucket toanother without int"e1.-ference. This form of wheel requires a muchgreater quantity of water torun it than mine, and is consequently muchlarger.

It is evident that numerous slight changes in the shapes of the bucketsand blades, and

1. In a turbine water-wheel, the combinav tion, with a casing having achute, of a wheel closely fitting within said casing, and provided withvertical buckets radiating from the hub of the wheel, and inclinedblades provided with a peripheral band, substantially as set forth.

2. I11 a turbine water-wheel, the combina tion, with a casing having achute and a gate for wholly or partially closing the chute, of a wheelclosely fitting within said casing, and provided with buckets arrangedperpendicularly to the hub, adapted to receive the impact from the headof water, and to prevent the passage ofthe latter from one bucket toanother, and blades inclined diagonally and inwardly to discharge thewater through the lower central opening ofthe ca-sin g, substantially asset forth.

3. Ina turbine water-wheel, the combination, with a casing, of a wheelhaving a circular crown-plate, and buckets curved or in-' clinedrelative to the periphery ofsaid plate,

and blades extending from said buckets downwardly and inwardly,substantially as set forth.

4. In a turbine water-wheel, the combination, with the casing lnving achute, a gate for closing the chute, a rock-bar secured to the gate, anda pinion and shaft for operating the gate, of a wheel fitting closelywithin said casing and provided with a circular crown-plate, V andbuckets curved or inclined relative to the periphery thereof, and bladesso constructed as to discharge the water from the underside of thecasing, substantially as set forth.

5. The combination, with a case provided with a gate so situated as todirect the water against the periphery of the wheel, of a wheel closelyfitting within the case, and provided with buckets and blades forrespectively re taining and discharging the water upon the periphery ofthe wheel, the said wheel being provided with a circular crown-plate,and so constructed as to receive and discharge the water in a directline of its motion without backlash or cross-currents of the' water atany time while passing through the wheel, substantially as 'set forth.

In testimony whereof I have signed this specifieati on in the presenceof two subscribing witnesses. I

CORNELIUS BAR-NHART.

XVitnesses:

FRED PALMER, .EGBER'I GROOKsTON.

